<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>修改商品页面</title>
</head>
<body>
<div>
    <h1>修改商品页面</h1>
    <input type="text" placeholder="id" v-model="p.id" readonly>
    <input type="text" placeholder="标题" v-model="p.title">
    <input type="text" placeholder="价格" v-model="p.price">
    <input type="text" placeholder="库存" v-model="p.num">
    <input type="button" value="修改" @click="update()">
</div>

<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<script>
    let v = new Vue({
        el: "body>div",
        data: {
            p: {id: "", title: "", price: "", num: ""}
        },
        methods: {
            update() {
                axios.post("/update", v.p).then(function () {
                    location.href = "/list.html";
                })
            }
        },
        created: function () {
            axios.get("/selectById" + location.search).then(function (response) {
                v.p = response.data;
            })
        }
    })
</script>

</body>
</html>